1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kondaur [170]
3 years ago
10

T.E = K.E + P.E

Physics
1 answer:
Rasek [7]3 years ago
4 0

Answer:

T.E=K.E+P.E

:146,000J=81250J+K.E

You might be interested in
Will an atom emit light if all the atoms electrons are in the ground state
Oliga [24]

No,

To emit light an electron has to jump down to a lower energy level but in an electron is unable to go any lower in ground state.

6 0
3 years ago
99 POINTS
antoniya [11.8K]

Answer:

Send a pic of it so i can mark it.

Explanation:

8 0
3 years ago
The kicker now kicks the ball with the same speed as in the number of 4,but at 60.0°from the horizontal or 30.0° from the vertic
stealth61 [152]

Answer:

Explanation:

1) The time of flight equation for projectile motion can be used here to find total time in air.

t = 2vsin∅ / g

where v is speed, Ф is launch angle

t = 2×4×sin 60 / 9.8

t = 0.71 seconds

2) Distance where it hit the ground is called as range and has the following standard equation

D = v² sin2Ф/g

D = 4²sin 2×60 / 9.8

D = 1.41m

3) Maximum elevation is maximum time reached

h = v² sin²Ф / 2g

h = 4²sin² 60 / 2*9.8

h = 0.61 m

3 0
3 years ago
During spring semester at MIT, residents of the parallel buildings of the East Campus dorms battle one another with large catapu
natali 33 [55]

Answer:

110.7 J

Explanation:

Hooke's law is represented by the formula:

F = ke  where F is the force in Newton, K is force constant and e is extension in m

work done = 1/2ke² = 1/2 K ( e² - e₀²) and e₀ is the extension at relaxed length

e₀ =0

work done = 0.5 × 82N/m × (2.70 m)² = 110.7 J

4 0
3 years ago
A 55 kg skater at rest on a frictionless rink throws a 3 kg ball, giving the ball a velocity of 8 m/s. What is the velocity of t
KengaRu [80]

Answer:

The velocity will be v1 = 0.58[m/s]

Explanation:

This problem can be solved by the law of conservation of the moment, which explains that the moment of a system remains constant because there are no external forces acting on it.

We have the following initial data:

m1 = mass of the skater = 55 [kg]

m2 = mass of the ball = 3 [kg]

v2 = velocity of the ball = 8 [m/s]

Therefore:

m_{1}*v_{1}+m_{2}*v_{2}=m_{1}*v_{1}+m_{2}*v_{2}\\(50*0)+(3*0)=(50*v_{1})+(3*8)\\50+3-24=50*v_{1}\\v_{1}= 0.58[m/s]

5 0
3 years ago
Other questions:
  • Which Of The Following Research Methods Are Widely Used By Psychologists?
    11·1 answer
  • Your clothing tends to cling together after going through the dryer. Why? Would you expect more or less clinging if all your clo
    5·1 answer
  • Rock a is dropped from a cliff and rock b is thrown upward from the same position on the cliff.
    13·1 answer
  • What are three physical properties of a bowling ball
    9·1 answer
  • Suppose that water is pouring into a swimming pool in the shape of a right circular cylinder at a constant rate of 5 cubic feet
    15·1 answer
  • Three examples that prove newton's law of motion​
    8·1 answer
  • Lithium was one of the metals studied by the American physicist Robert Millikan in his research on the photoelectric effect. Whe
    10·1 answer
  • Una prenda de 320gramos de ropa gira en el interior de una lavadora si dicha lavadora tiene 40 cm y gira con una frecuencia de 4
    7·1 answer
  • • Usain Bolt can run at 10 m/s. If he runs for about 20 seconds, how far around the race track did he go?
    13·1 answer
  • An object is placed 250 cm in front of a concave circular mirror, and the image of the object also appears at 250 cm in front of
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!